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Daily UK grid report
UK Electricity Grid Daily Report — 29 May 2023

On 29 May 2023, Britain’s electricity grid averaged 25.32 GW of grid demand, with renewables averaging 49.8% of tracked domestic generation and carbon intensity averaging 76 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 25.32 GW

Average grid demand for this UK day.

Peak demand 30.41 GW

Highest 15-minute grid demand period.

Avg carbon 76 gCO₂/kWh

Average carbon intensity where available.

Renewables 49.8 %

Average renewable share of tracked generation.

Average grid demandDemand
25.32 GWFull-day average from available snapshots
↑ +0.89 GW vs yesterday
Peak demand13:00
30.41 GWHighest 15-minute grid demand period
↑ +1.28 GW vs yesterday
Lowest demand04:30
18.51 GWLowest 15-minute grid demand period
↑ +0.10 GW vs yesterday
Domestic generationSupply
19.60 GWTracked UK generation sources only
↑ +0.68 GW vs yesterday
Average carbonCO₂
76 gCO₂/kWhCarbon intensity average
↓ −12 g vs yesterday
Renewable shareClean
49.8 %Wind, solar, hydro and biomass
↑ +3.0 pts vs yesterday
Clean share+ Nuclear
77.3 %Renewables plus nuclear
↑ +2.2 pts vs yesterday
Net importsFlow
4.97 GWAverage imports minus exports
↑ +0.14 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 29 May 2023, Britain’s electricity grid averaged 25.32 GW of grid demand, with renewables averaging 49.8% of tracked domestic generation and carbon intensity averaging 76 gCO₂/kWh.

The highest demand period was 30.41 GW at 13:00, while the lowest carbon intensity period was 44 gCO₂/kWh at 12:30.

Key records for 29 May 2023

Highest wind6.89 GW19:30
Highest solar10.48 GW13:00
Highest gas6.40 GW20:00
Lowest carbon44 gCO₂/kWh12:30
Highest imports7.31 GW19:15
Highest exports1.08 GW15:15

Daily chart

Demand, generation and carbon intensity

29 May 2023

Generation mix

Wind, solar, gas and interconnector flow